CN221072722U - Underground utility tunnel connection structure - Google Patents

Abstract

The utility model relates to an underground comprehensive pipe gallery connecting structure which comprises a pipe gallery body and a connecting body, wherein the pipe gallery body is connected through the connecting body to form a cuboid frame structure, guide surfaces which are obliquely arranged are arranged at two ends of the pipe gallery body, so that the pipe gallery body is of an isosceles trapezoid structure, sealing surfaces matched with the guide surfaces are arranged at two sides of the connecting body, and the sealing surfaces are in fit arrangement with the guide surfaces. After one pipe gallery body is positioned during installation, the other pipe gallery body is placed at a position slightly close to the pipe gallery body, and after the connecting body is inserted between the pipe gallery bodies, the other pipe gallery body can be pushed to reach a preset position under the extrusion action of the guide surface and the sealing surface without the requirement of excessive high precision of the position; and the mutual cooperation between the inclined planes can avoid the structural damage caused by direct collision, thereby improving the safety.

Description

Underground utility tunnel connection structure

Technical Field

The utility model relates to the field of engineering construction, in particular to an underground comprehensive pipe gallery connecting structure.

Background

The utility tunnel is a public tunnel which is built underground in cities and is used for intensively laying municipal pipelines such as power, communication, broadcast television, water supply and the like. When line faults or overhauls occur, the underground comprehensive pipe gallery can enable technicians to avoid repeatedly excavating a road surface, various pipelines can be salvaged, maintained, expanded and improved in the pipe gallery, and meanwhile the pipeline rush-repair time is greatly shortened.

Most of the existing underground comprehensive pipe racks are rectangular tubular structures, and the end faces of the existing underground comprehensive pipe racks are vertical and smooth structures. When the pipe rack is installed, after the comprehensive pipe rack is hoisted to an installation position, other pipe racks are hoisted to the pipe rack installed before in sequence and are closely lowered, the comprehensive pipe rack is mainly made of cement prefabricated members, and when the comprehensive pipe rack is hoisted and installed, two pipe racks are easy to directly and vertically collide to cause damage; and the precision is very high during hoisting, so that the problem of slower construction progress caused by overlarge gaps is avoided.

Therefore, there is a need for a new connection structure for an underground utility tunnel that can solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to solve the problem that the placement position is not easy to grasp when the existing underground comprehensive pipe rack is connected.

According to one aspect of the utility model, the utility tunnel connection structure comprises a tunnel body and a connector, wherein the tunnel body is connected through the connector to form a cuboid frame structure, two ends of the tunnel body are guide surfaces which are obliquely arranged, so that the tunnel body is in an isosceles trapezoid structure, sealing surfaces matched with the guide surfaces are arranged on two sides of the connector, and the sealing surfaces are in fit arrangement with the guide surfaces.

Through this scheme, after locating a pipe gallery body during the installation, place another pipe gallery body position a little near, after inserting the connector between the pipe gallery body, can promote another pipe gallery body under the extrusion effect of guide surface and sealed face and reach predetermined position, need not the too high precision of requirement position; and the mutual cooperation between the inclined planes can avoid the structural damage caused by direct collision, thereby improving the safety.

Preferably, two ends of the top surface of the connector extend to form a limiting part.

Through this scheme, spacing portion can carry out spacingly to the position of placing of connector, avoids the too big distance that causes piping lane body to separate of downward movement distance.

Preferably, the two ends of the pipe rack body are provided with connecting parts, the two ends of the connecting body are provided with connecting grooves matched with the connecting parts, and the connecting parts are inserted into the connecting grooves to be hooked and fixed.

Through this scheme, connecting portion can get into in the spread groove and play fixed effect, improves the wholeness after the connection, possesses higher antidetonation, anti shearing force's ability.

Preferably, the top surface of the connecting part is a hooking surface inclined upwards towards the outer side, and the upper wall of the connecting groove is an inclined downward inclined surface.

Through this scheme, under the fixed prerequisite of colluding, the face of colluding of slope arrangement can further avoid direct collision to cause the damage.

Preferably, the guide surface and the sealing surface together enclose a grouting groove.

Through this scheme, after the installation is accomplished, can be to grout groove watering concrete in order to seal the gap, improve the leakproofness after this structure installation.

Preferably, the pipe gallery body and the connector are provided with steel reinforcement frameworks.

Through this scheme, improve the intensity of piping lane body and connector.

The utility model has the technical effects that the connecting structure of the underground pipe gallery is adopted, the accuracy of the installation position among all pipe bodies is not required to be precisely mastered, structural damage caused by collision among all parts in the installation process can be avoided, and the installation efficiency and the tightness after installation are improved.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is a schematic view of a utility tunnel connection structure in accordance with one embodiment of the present application.

Fig. 2 is a schematic view of the construction of the pipe rack body of fig. 1.

Fig. 3 is a schematic structural view of the connector of fig. 1.

Fig. 4 is a schematic cross-sectional view of the connection of the pipe gallery body and the connector of fig. 1.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

As shown in fig. 1 to 4, the underground utility tunnel connection structure in an embodiment of the present application includes a tunnel body 100 and a connector 200, the tunnel body 100 is connected by the connector 200 to form a rectangular frame structure, two ends of the tunnel body 100 are guiding surfaces 110 arranged in an inclined manner, so that the tunnel body 100 is in an isosceles trapezoid structure, two sides of the connector 200 are provided with sealing surfaces 220 matched with the guiding surfaces 110, and the sealing surfaces 220 are arranged in a fitting manner with the guiding surfaces 110.

According to the scheme of the embodiment, after one pipe gallery body 100 is positioned during installation, the other pipe gallery body 100 is placed at a slightly close position, and after the connecting body 200 is inserted between the pipe gallery bodies 100, the other pipe gallery body 100 can be pushed to reach a preset position under the extrusion action of the guide surface 110 and the sealing surface 220, and the excessive high precision of the position is not required; and the mutual cooperation between the inclined planes can avoid the structural damage caused by direct collision, thereby improving the safety. And the more the vibration is caused by self gravity, the more the joint is sealed.

Or when using, place two pipe gallery bodies 100 in the position that is close to each other after, place connector 200 between pipe gallery body 100, slowly outwards draw a pipe gallery body 100, until the connector inserts between two pipe gallery bodies 100 completely, accomplish the installation promptly, not only guaranteed the leakproofness of connection, can also avoid the collision risk that direct hoist and mount caused.

In an embodiment of the present application, the pipe rack body 100 and the connector 200 are both precast concrete, and the pipe rack body 100 and the connector 200 are both provided with reinforcement cages, that is, after the rectangular tubular structure is formed by the reinforcement cages, the pipe rack is formed by casting concrete after setting up a formwork. The strength of the piping lane body 100 and the connector 200 is improved. Can be suitable for hoisting and proper extrusion.

The pipe gallery body 100 and the connector 200 can also be made of basalt fibers, and the pipe gallery has high strength and is environment-friendly and durable in material.

In an embodiment of the present application, two ends of the top surface of the connector 200 extend to form a limiting portion 210. The limiting portion 210 can limit the placement position of the connector 200, so as to prevent the pipe rack body 100 from being separated by too large distance due to too large downward movement distance. The stopper 210 has a protruding beam structure, and can be directly placed on top of the pipe rack body 100 on both front and rear sides.

In order to improve the aesthetic property and facilitate the later leveling construction, a groove matched with the limiting part 210 can be formed at the top of the pipe gallery body 100, so that the leveling of the upper surfaces of the connecting body 200 and the pipe gallery body 100 is ensured.

In an embodiment of the present application, the pipe rack body 100 is provided with the connection parts 120 at both ends, the connection body 200 is provided with the connection grooves 230 matching with the connection parts 120 at both ends, and the connection parts 120 are inserted into the connection grooves 230 to be hooked and fixed. The connecting portion 120 can enter the connecting groove 230 to achieve a fixing effect, so that the integrity after connection is improved, and the anti-seismic and anti-shearing capability is high.

In an embodiment of the present application, the top surface of the connecting portion 120 is a hooking surface 121 inclined upward toward the outside, and the upper wall of the connecting slot 230 is an inclined downward surface. The obliquely arranged hooking surface 121 can further avoid damage caused by direct collision under the premise of ensuring hooking fixation.

In one embodiment of the present application, the guide surface 110 and the sealing surface 220 together define the grouting channel 101. After the installation is completed, concrete can be poured into the grouting grooves 101 to seal gaps, so that the tightness of the structure after the installation is improved.

One technical effect of this embodiment lies in, adopts the connection structure of local underground pipe gallery, need not the accurate mounting position precision of mastering between each body, and can avoid the structural damage that the collision between each part caused in the installation, helps improving the leakproofness after installation efficiency and the installation.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (6)

1. The utility model provides an underground utility tunnel connection structure, includes piping lane body and connector, the piping lane body passes through the connector is connected and is formed cuboid frame construction, its characterized in that, the guide surface that the both ends of piping lane body were arranged for the slope makes the piping lane body becomes isosceles trapezoid structure, the both sides of connector be provided with guide surface assorted sealed face, sealed face with the guide surface laminating is arranged.

2. The utility tunnel connection structure of claim 1, wherein the two ends of the top surface of the connector body extend to form a limit portion.

3. The underground utility tunnel connection structure of claim 2, wherein the two ends of the tunnel body are provided with connection parts, the two ends of the connection body are provided with connection grooves matched with the connection parts, and the connection parts are inserted into the connection grooves to be hooked and fixed.

4. The utility tunnel connection structure of claim 3, wherein the top surface of the connection portion is a hooking surface inclined upward toward the outside, and the upper wall of the connection groove is an inclined downward surface.

5. The utility tunnel connection structure of claim 1, wherein the guide surface and the sealing surface together enclose a grout groove.

6. The underground utility tunnel connection structure of any one of claims 1-5, wherein a rebar cage is disposed in both the tunnel body and the connector.